Device Biasing, Trigger Function, and Timing Device Biasing, Trigger Function, and Timing See the Device Biasing / Trigger Connectors table (Specifications) for the SanjCONTROLLER PLUS™ connector functions (VI EXT, VO EXT, AUX INT, VO INT, TRIG). [diagram/image in source — not reproduced here: Section 9.2–9.8 — timing sequence diagrams for transient analysis, internal biasing, external DC supply, triggering an external source, Slave Mode (TRIG IN, Movie Mode only), transient timing signal, and transient software with light emission]